My PILs have never (knowingly) opened their windows for fear of a fly getting in. (When MIL passed and I was recently clearing her stuff I sent FIL out on an errand so I could treat the room to some air while I cleaned the mould off the walls!)
They lock the porch and hall door when we arrive (after they’ve let us in!) and when it’s time to leave they retrieve the keys from a locked drawer to open the doors!
They close the blinds in every single room every time they leave the house so burglars won’t see they’re not in!!
The car is put away in the garage (not strange per say) - but even if they’re just stopping off to retrieve something they’ve forgotten!
When they built the house they insisted on both shower rooms having different types of shower - one running off the electric and the other off the central heating, incase one let them down. But in all that time neither has been used! They taped over the shower base drains years ago incase spiders came up through the drains.
Visitors have to use the ensuite toilet to save two bathrooms having to be cleaned.
Despite it being a bungalow, shaving and teeth washing/steeping is done at the kitchen sink.
Since I redecorated spare room, nobody is allowed to sleep in it because “it’s too nice”!!
Husband asked to stay overnight (we live 45 miles away) because he and his dad were catching the red eye flight to London and he was collecting his dad to travel to airport in one car but was refused on above grounds.
When DH graduated, FIL was recovering from minor surgery and was told he shouldn’t drive for a certain number of weeks. Despite feeling well enough he couldn’t drive to our city for ceremony because his x number of weeks (can’t remember how many) suggested by nurse weren’t up. DH paid £80 for return taxi because he really wanted them there. Very next day that deadline was lifted and FIL was back in the driver’s seat!
There’s nowt as queer as folk ...